发酵的棕核蛋糕改善了牛肉牛的体微生物群和代谢
Wenbo Jiang1,2,3, Yan Zhang1,2, Haijian Cheng1,2
1Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China.
Animals : an open access journal from MDPI
|November 9, 2024
概括
在肉牛的饮食中补充发酵棕核蛋糕,增加了有益的反肠细菌,提高了料的利用率. 这种微生物转变改善了碳水化合物和脂质代谢,为牛的营养提供了一种新的方法.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 营养科学 营养科学
背景情况:
- 棕核蛋糕 (PKC) 是棕油生产的副产品.
- 发酵可以提高料成分的营养价值和消化能力.
- 体微生物群在牛的料降解和营养利用中起着至关重要的作用.
研究的目的:
- 为了研究发酵棕核蛋糕 (FPKC) 对牛肉的微生物组成和代谢途径的影响.
- 评估FPKC补充对肉牛生长性能和料利用效率的影响.
主要方法:
- 24头牛被分为对照组 (标准饮食) 和治疗组 (3%的FPKC取代了大豆).
- 使用高通量测序分析了体的微生物组成.
- 研究了新陈代谢途径和微生物群与新陈代谢之间的相关性.
主要成果:
- 补充FPKC显著增加了关键细菌类 (Firmicutes, Bacteroidetes, Proteobacteria, Spirochaetes) 和属 (Prevotellaceae, Treponema) 的丰富性.
- 脂质消化,碳水化合物代谢和辅因子/维生素代谢途径在FPKC组显著丰富.
- 在为期六周的试验中,两组之间没有观察到生长表现的显著差异.
结论:
- 补充FPKC会改变小麦芽菌群的组成,有利于增强料降解和营养利用的细菌.
- 在肉牛中,FPKC改善了碳水化合物和脂质代谢,这表明可以提高料效率.
- 作为一种可持续的料成分,FPKC显示出有前途的前景,可以改善牛的营养和功能.
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